Add a unique piece of Washington Nationals memorabilia to your collection with this Robert Hassell III Game-Used Navy Batting Helmet. This official piece of Nats gear features authentic details customized to player specifications and was worn during the his MLB debut against the Atlanta Braves on May 22, 2025. Obtained under the auspice of Major League Baseball, this collectible also includes an individually numbered, tamper-evident hologram that can be verified online to certify its authenticity.